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ronybtl
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Sixty-five milion years ago, according to some scientists, Updated on: 18 Jul 2008, 07:57
Originally posted by ronybtl on 05 Dec 2005, 00:21.
Last edited by ronybtl on 18 Jul 2008, 07:57, edited 2 times in total.
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Sixty-five milion years ago, according to some scientists, an asteroid bigger than Mount Everest slammed into North America, which, causing plant and animal extinctions, marks the end of the geologic era known as the Cretaceous period.


A: ...
B: which caused the plant and animal extinctions marking
C: and causing plant and animal extinctions that mark
D: an event that caused plant and animal extinctions, and it marks
E: an event that caused the plant and animal extinctions that mark



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Sixty-five milion years ago, according to some scientists, Updated on: 05 Dec 2005, 06:14
Originally posted by remgeo on 05 Dec 2005, 00:40.
Last edited by remgeo on 05 Dec 2005, 06:14, edited 1 time in total.
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HIMALAYA
should be E...................
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I dont think it can be E because it is the event that marks the end of the era isnt it and not the the animal extinctions as E suggests

But am still debating on my other choices !!
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Sixty-five milion years ago, according to some scientists, 05 Dec 2005, 04:24
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Sixty-five milion years ago, according to some scientists, an asteroid bigger than Mount Everest slammed into North America, which, causing plant and animal extinctions, marks the end of the geologic era known as the Cretaceous period.


A: ...
B: which caused the plant and animal extinctions marking
C: and causing plant and animal extinctions that mark
D: an event that caused plant and animal extinctions, and it marks
E: an event that caused the plant and animal extinctions that mark


what "marks the end of .....period" is the extinctions, not the asteroid -----> A and D out.
B needs a "that" to start a noun clause for "the plant and animal extinctions" ---> can't be correct.
C can't be correct coz what caused the extinction is the event of an asteroid slamming the earth ...asteroid itself can't be the cause.

E remains the best one.
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Sixty-five milion years ago, according to some scientists, 05 Dec 2005, 07:22
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OA is E.

laxieqv: can you elaborate on why we need " that" for noun clause in answer B?

Choice E appears quite clumsy with 2 "that"'s. That's (forgive the pun) why i rejected E and had to settle for B. Unfortunately, B has a problem in that it uses which, a relative pronoun that could refer to the Mount Everest.
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Sixty-five milion years ago, according to some scientists, Updated on: 05 Dec 2005, 08:08
Originally posted by HIMALAYA on 05 Dec 2005, 07:53.
Last edited by HIMALAYA on 05 Dec 2005, 08:08, edited 1 time in total.
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"that" doesnot fix the error in B.





Mt. Everest - my home, my pride.... :flower

soueee, i can not afford to make a mistake here. :wink:
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Sixty-five milion years ago, according to some scientists, 05 Dec 2005, 08:08
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HIMALAYA
"that" doesnot fix the error in B.





Mt. Everest - my home, my pride.... :flower
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so you mean B is wrong becoz "marking" is the verb of "an asteroid" then?!

yes, you can be proud of Mt.Everest :) ...your home is really in Mt.Everest?!!
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Sixty-five milion years ago, according to some scientists, 05 Dec 2005, 08:15
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laxieqv
HIMALAYA
"that" doesnot fix the error in B.





Mt. Everest - my home, my pride.... :flower
so you mean B is wrong becoz "marking" is the verb of "an asteroid" then?!

yes, you can be proud of Mt.Everest :) ...your home is really in Mt.Everest?!!
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okie laxi, first thax for complmnt. :good

i am little confused with your "that". which "that" you are refering? the one in place of "which" or one after extinctions? both "that" donot fix the problem.

"making" itself is not a verb so it cannot be a verb of any noun.

ronybtl
Sixty-five milion years ago, according to some scientists, an asteroid bigger than Mount Everest slammed into North America, which, causing plant and animal extinctions, marks the end of the geologic era known as the Cretaceous period.

B: which caused the plant and animal extinctions marking
E: an event that caused the plant and animal extinctions that mark
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Sixty-five milion years ago, according to some scientists, 05 Dec 2005, 08:19
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Marking in B needs to be in the past tense, so that leaves E. E isn`t a perfect sentence, but it`s definately the best of the lot.

FACT: Most commercial jumbo jets cruise at 29,000ft- the exact same altitude as Mt. Everest above sea level.
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Sixty-five milion years ago, according to some scientists, 05 Dec 2005, 08:28
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Marking in B needs to be in the past tense, so that leaves E. E isn`t a perfect sentence, but it`s definately the best of the lot.

FACT: Most commercial jumbo jets cruise at 29,000ft- the exact same altitude as Mt. Everest above sea level.
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the altitude of mt. everest (सगरमाथा) is 29035 ft (48048 m)
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Sixty-five milion years ago, according to some scientists, 05 Dec 2005, 08:29
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GMATT73
Marking in B needs to be in the past tense, so that leaves E. E isn`t a perfect sentence, but it`s definately the best of the lot.

FACT: Most commercial jumbo jets cruise at 29,000ft- the exact same altitude as Mt. Everest above sea level.

the altitude of mt. everest (सगरमाथा) is 29035 ft (48048 m)
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29,017ft and 2 inches to be exact; and it gets taller by a foot or so every year!!
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GMATT73
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Sixty-five milion years ago, according to some scientists, 05 Dec 2005, 08:35
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Mt Everest may be the tallest mountain above sea level, but it certainy isn`t the tallest mountain on the planet. There are two other mountains that are well over 35,000 ft. Any takers for GMAT Jeapordy?
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Sixty-five milion years ago, according to some scientists, Updated on: 05 Dec 2005, 09:03
Originally posted by laxieqv on 05 Dec 2005, 08:42.
Last edited by laxieqv on 05 Dec 2005, 09:03, edited 1 time in total.
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GMATT73
Mt Everest may be the tallest mountain above sea level, but it certainy isn`t the tallest mountain on the planet. There are two other mountains that are well over 35,000 ft. Any takers for GMAT Jeapordy?
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that means these two mountain root under sea level?! ...uhm, i just know there's peak Neverest which is few meter higher than Everest ..uhm, heard that Neverest is too dangerous to be ever conquered by human beings ..
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Sixty-five milion years ago, according to some scientists, 05 Dec 2005, 09:01
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GMATT73
Mt Everest may be the tallest mountain above sea level, but it certainy isn`t the tallest mountain on the planet. There are two other mountains that are well over 35,000 ft. Any takers for GMAT Jeapordy?

that means these two mountain roots under sea level?! ...uhm, i just know there's peak Neverest which is few meter higher than Everest ..uhm, heard that Neverest is too dangerous to be ever conquered by human beings ..
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Correct. The base of these two mountains are at the bottom of the Pacific ocean. https://www.woodlands-junior.kent.sch.uk ... tm#tallest
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Sixty-five milion years ago, according to some scientists, 05 Dec 2005, 15:25
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For answer choice E, is it acceptable for a sentence to have two "that's" following closely after one another?

For answer choice B, what is the problem with the sentence? Does the problem lie with the use of "which"? Is it the omission of "that"? Or is it the inappropriate use of "marking" (present continuous tense) instead of past tense ? A little confused....
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Sixty-five milion years ago, according to some scientists, 05 Dec 2005, 18:34
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HIMALAYA
GMATT73
Marking in B needs to be in the past tense, so that leaves E. E isn`t a perfect sentence, but it`s definately the best of the lot.

FACT: Most commercial jumbo jets cruise at 29,000ft- the exact same altitude as Mt. Everest above sea level.
the altitude of mt. everest (सगरमाथा) is 29035 ft (48048 m)
29,017ft and 2 inches to be exact; and it gets taller by a foot or so every year!!
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9 out of 10 tallest mountains are in Nepal.

name country continent meters feet
1. Mount Everest, Nepal Asia 8850 29035
2. K2 China, Pakistan Asia 8611 28251
3. Kangchenjunga, Nepal Asia 8586 28169
4. Lhotse, Nepal Asia 8516 27940
5. Makalu, Nepal Asia 8485 27838
6. Kangchenjunga, Nepal Asia 8476 27808
7. Lhotse Middle Nepal Asia 8430 27657
8. Kangchenjunga West Nepal Asia 8420 27625
9. Lhotse Shar Nepal Asia 8400 27559
10. Cho Oyu, Nepal Asia 8201 26906
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ronybtl
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Sixty-five milion years ago, according to some scientists, 05 Dec 2005, 22:26
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For answer choice E, is it acceptable for a sentence to have two "that's" following closely after one another?

For answer choice B, what is the problem with the sentence? Does the problem lie with the use of "which"? Is it the omission of "that"? Or is it the inappropriate use of "marking" (present continuous tense) instead of past tense ? A little confused....

PS: I find Gmatprep really difficult. The answers to sentence correction are so close and the correct answer appears "unacceptable"(ie not perfect) sometimes. What do you think?

Understand that we are supposed to pick the best answer, not the perfect answer. That is much easier said that done, especially under a lot of time pressure......



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